On Fri, 20 Jul 2018 at 15:49, Ard Biesheuvel <ard.biesheu...@linaro.org> wrote:
>
> On 20 July 2018 at 19:13, Sumit Garg <sumit.g...@linaro.org> wrote:
> > On Fri, 20 Jul 2018 at 15:31, Ard Biesheuvel <ard.biesheu...@linaro.org>
> > wrote:
> >>
> >> On 20 July 2018 at 16:12, Sumit Garg <sumit.g...@linaro.org> wrote:
> >> > Cc: Ard Biesheuvel <ard.biesheu...@linaro.org>
> >> > Cc: Leif Lindholm <leif.lindh...@linaro.org>
> >> > Contributed-under: TianoCore Contribution Agreement 1.1
> >> > Signed-off-by: Sumit Garg <sumit.g...@linaro.org>
> >> > ---
> >> > Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi | 7 +++++++
> >> > 1 file changed, 7 insertions(+)
> >> >
> >> > diff --git a/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi
> >> > b/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi
> >> > index 37d642e4b237..d109a5742793 100644
> >> > --- a/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi
> >> > +++ b/Silicon/Socionext/SynQuacer/DeviceTree/SynQuacer.dtsi
> >> > @@ -574,6 +574,13 @@
> >> > #address-cells = <1>;
> >> > #size-cells = <0>;
> >> > };
> >> > +
> >> > + firmware {
> >> > + optee {
> >> > + compatible = "linaro,optee-tz";
> >> > + method = "smc";
> >> > + };
> >> > + };
> >> > };
> >> >
> >> > #include "SynQuacerCaches.dtsi"
> >>
> >> Hello Sumit,
> >>
> >> Is it safe to provide this node when optee is not running?
> >
> > Yes it is safe. If optee is not running then Linux TEE driver exits
> > gracefully with below info:
> >
> > [ 1.976021] optee: probing for conduit method from DT.
> > [ 1.976033] optee: api uid mismatch
> >
>
> Ok, so it is safe but it still prints a nasty error.
>
> So let's fix this properly: you can check the existing code to find
> out how the mmc DT node gets enabled in PlatformDxe.
Sure will have a look at mmc DT addition code and come up with a more
clean solution.
-Sumit
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